These Lesser Known AI Stocks Are Reaching Record Highs

While everyone couldn’t stop talking about flashy AI stocks like Nvidia and Alphabet in 2025, lesser known data storage stocks saw massive gains.

Stocks of hard drive manufacturers Seagate and Western Digital skyrocketed more than 220% and 300%, respectively, in the last year—staggering growth, compared to Alphabet’s 65% gains and Nvidia’s 35%. Manufacturers of flash memory products in the U.S. including Sandisk, which was spun out of Western Digital in February, and Micron Technology, are up around 850% and 230% year over year, respectively. That’s due to an acceleration in demand for data storage needed for training and running AI models, not only for AI-generated text but also increasingly for photo, audio and video. These models create a ton of data that needs to be stored too, as people spin up everything from silly videos and characters to original songs.

“The more text, videos and pictures we generate, ideally we want to store more of them, and the storage content of those videos and pictures are a heck of a lot more than text,” said Karl Ackerman, who leads semiconductor and IT........

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